Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)

1988-02-09

Filing date

1989-02-02

Publication date

1993-09-27

1989-02-02 Application filed by Voith Gmbh J M filed Critical Voith Gmbh J M

1989-02-02 Publication of FI890496A0 publication Critical patent/FI890496A0/fi

1989-08-10 Publication of FI890496A publication Critical patent/FI890496A/fi

1993-06-15 Application granted granted Critical

1993-06-15 Publication of FI89390B publication Critical patent/FI89390B/fi

1993-09-27 Publication of FI89390C publication Critical patent/FI89390C/fi

Links

Classifications

- D—TEXTILES; PAPER
- D21—PAPER-MAKING; PRODUCTION OF CELLULOSE
- D21F—PAPER-MAKING MACHINES; METHODS OF PRODUCING PAPER THEREON
- D21F9/00—Complete machines for making continuous webs of paper
- D21F9/003—Complete machines for making continuous webs of paper of the twin-wire type

Landscapes

Paper (AREA)

FI890496A 1988-02-09 1989-02-02 Vaotparti vid en dubbelvirapappersmaskin FI89390C (fi)

Applications Claiming Priority (2)

Application Number	Priority Date	Filing Date	Title
DE3803805A DE3803805C1 (de)	1988-02-09	1988-02-09
DE3803805		1988-02-09

Publications (4)

Publication Number	Publication Date
FI890496A0 FI890496A0 (fi)	1989-02-02
FI890496A FI890496A (fi)	1989-08-10
FI89390B FI89390B (fi)	1993-06-15
FI89390C true FI89390C (fi)	1993-09-27

Family

ID=6346914

Family Applications (1)

Application Number	Title	Priority Date	Filing Date
FI890496A FI89390C (fi)	1988-02-09	1989-02-02	Vaotparti vid en dubbelvirapappersmaskin

Country Status (10)

Country	Link
US (1)	US4960492A (de)
JP (1)	JPH01213493A (de)
BR (1)	BR8900039A (de)
CA (1)	CA1309887C (de)
DE (1)	DE3803805C1 (de)
FI (1)	FI89390C (de)
FR (1)	FR2626906B1 (de)
GB (1)	GB2215747B (de)
NO (1)	NO890527L (de)
SE (1)	SE470382B (de)

Families Citing this family (4)

* Cited by examiner, † Cited by third party
Publication number	Priority date	Publication date	Assignee	Title
FI91788C (fi) *	1990-09-12	1994-08-10	Valmet Paper Machinery Inc	Paperikoneen kaksiviirainen rainanmuodostusosa
DE4117597A1 (de) *	1991-05-29	1992-12-03	Voith Gmbh J M	Doppelsiebformer fuer eine papiermaschine
SE501332C2 (sv) *	1993-05-27	1995-01-16	Valmet Karlstad Ab	Sätt att forma en tissuepappersbana
DE10342019A1 (de) *	2003-09-12	2005-04-07	Voith Paper Patent Gmbh	Doppelsiebformer einer Maschine zur Herstellung einer Faserstoffbahn und dazugehöriges Verfahren

Family Cites Families (14)

* Cited by examiner, † Cited by third party
Publication number	Priority date	Publication date	Assignee	Title
GB1336713A (en) *	1969-12-06	1973-11-07	Walmesley Bury Ltd	Paper- or board-making machines
DE2131984A1 (de) *	1970-07-01	1972-02-10	Escher Wyss Gmbh	Nasspartie einer Papiermaschine
US3726758A (en) *	1971-07-08	1973-04-10	J Parker	Twin-wire web forming system with dewatering by centrifugal forces
US3839143A (en) *	1972-06-08	1974-10-01	Beloit Corp	Multi-ply two wire former wherein multiple headboxes are used and inflatable air bellows provide adjustments therebetween
US3884756A (en) *	1973-09-27	1975-05-20	Beloit Corp	Multi-ply linerboard machine with vertical and horizontal forming runs
US3944464A (en) *	1974-05-10	1976-03-16	International Paper Company	Forming section for twin-wire papermaking machine
US3944774A (en) *	1974-08-07	1976-03-16	Toyota Jidosha Kogyo Kabushiki Kaisha	Electric switch having a sealed casing
FI761030A (de) *	1976-04-14	1977-10-15	Valmet Oy
DD146316A1 (de) *	1979-10-01	1981-02-04	Werner Kretzschmar	Entwaesserungsvorrichtung fuer an einem endlosen sieb haftende faserstoffbahnen
FI72761C (fi) *	1981-05-15	1987-07-10	Valmet Oy	Formningsparti med dubbel vira i pappersmaskin.
DE3222428C2 (de) *	1982-06-15	1985-04-04	Sulzer-Escher Wyss GmbH, 7980 Ravensburg	Doppelsieb-Papiermaschine
JPS60146095A (ja) *	1983-12-30	1985-08-01	三菱重工業株式会社	抄紙機のツインワイヤホ−マ
FI840246A (fi) *	1984-01-20	1985-07-21	Valmet Oy	Foerfarande och anordning vid formning av pappersbana.
US4790909A (en) *	1986-12-17	1988-12-13	Beloit Corporation	Two-wire paper forming apparatus

1988
- 1988-02-09 DE DE3803805A patent/DE3803805C1/de not_active Expired
1989
- 1989-01-03 BR BR898900039A patent/BR8900039A/pt not_active Application Discontinuation
- 1989-01-04 JP JP64000248A patent/JPH01213493A/ja active Pending
- 1989-01-11 FR FR8900258A patent/FR2626906B1/fr not_active Expired - Fee Related
- 1989-01-25 GB GB8901542A patent/GB2215747B/en not_active Expired - Fee Related
- 1989-01-27 CA CA000589352A patent/CA1309887C/en not_active Expired - Fee Related
- 1989-02-01 SE SE8900343A patent/SE470382B/sv not_active IP Right Cessation
- 1989-02-02 FI FI890496A patent/FI89390C/fi not_active IP Right Cessation
- 1989-02-03 US US07/306,514 patent/US4960492A/en not_active Expired - Fee Related
- 1989-02-08 NO NO89890527A patent/NO890527L/no unknown

Also Published As

Publication number	Publication date
SE8900343D0 (sv)	1989-02-01
BR8900039A (pt)	1989-09-12
NO890527D0 (no)	1989-02-08
FR2626906B1 (fr)	1994-02-18
SE8900343L (sv)	1989-08-10
JPH01213493A (ja)	1989-08-28
FI89390B (fi)	1993-06-15
GB8901542D0 (en)	1989-03-15
CA1309887C (en)	1992-11-10
FI890496A (fi)	1989-08-10
SE470382B (sv)	1994-02-07
GB2215747A (en)	1989-09-27
FR2626906A1 (fr)	1989-08-11
NO890527L (no)	1989-08-10
US4960492A (en)	1990-10-02
DE3803805C1 (de)	1989-04-27
FI890496A0 (fi)	1989-02-02
GB2215747B (en)	1991-05-15

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Legal Events

Date	Code	Title	Description
1993-05-17	BB	Publication of examined application
1997-09-09	MM	Patent lapsed
2004-08-31	MM	Patent lapsed	Owner name: J.M. VOITH GMBH